Re: Report on visit with John Crouch

["Kirk R. Smith" <krksmith@uclink4.berkeley.edu>]

For policy purposes, however, emissions per unit delivered energy is often 
more relevant...  We usually list three emission factors

g/kg fuel
g/MJ fuel
g/MJ-delivered


At 11:56 AM 1/22/2002 -0800, Tami Bond wrote:
>Ron, and greetings John, and hello Stoves,
>
>This is in haste, and I promise to write more when I get back next week.
>
>I do all my numbers in g/kg fuel which is most useful for emission
>inventories.
>I am aware of a lot of work on fireplaces that has been summarized (by
>OMNI, I think). However, it is becoming obvious that fireplaces/wood
>heaters perform so much differently than small, tended cookstoves.
>Large, untended cookstoves may be more similar to fireplaces.
>
> >  Particulates   G/KG
> >   Conventional uncertified wood stove - 36.25
> >   EPA-Phase 2 Certified                      3.73
> >   Masonry fireplace                             25.7
> >   Zero-Clearance Fireplace                  19.36
>
>     ROCKET (2 KINDS, 2 TESTS EACH)           3.7
>     OPEN FIRE, TENDED WELL                   6.1
>
> > CO  G/KG
> >     Conventional uncertified wood stove -  180.96        YIKES!
> >     EPA-Phase 2 Certified                        56.36
> >     Masonry fireplace                               119.2
> >     Zero-Clearance Fireplace                    100.89
>     ROCKET (2 KINDS, 2 TESTS EACH)                  39
>     OPEN FIRE, TENDED WELL                          62
>
>I would like to improve on my method of measuring CO so please do
>understand that these are preliminary.
>
>Since we could not analyze unburned HCs, I don't have estimates of
>combustion efficiencies. Total efficiency of Rocket was ~27% (VERY
>ROUGH, did not measure fuel heat content) and open fire was ~22%.
>
> >     Second, to see if anyone else has simple cook stove numbers to
> > report - so we can start developing a larger data base.
>
>I am happy to collect these numbers-- I do anyway as part of my emission
>inventory effort. I have already done some tabulating of Kirk Smith's
>work, Grant's, etc.
>
>cheerio
>Tami
>
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